Major change: we can now index board before pockets

* board -> pocket indexing added
* verified 100% on all 7-, 8- and 9-card combinations
* verification process is now 100x times faster
* the new hand ranks file now stores its size in first 4 bytes (no more
need for magic #define constants)
* fixed a couple of minor bugs
* updated _rayeval and raytest with the new fixes